Band cutter and holder for grain-binders



- (No el.) 2Sheets-Sheet 1.

v 0. H. WATKINS.

BAND CUTTER AND HOLDER FOR GRAIN BINDERS. N0.v 459,666; Patented Sept. 15, 1891.

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(No Model.) 2 Sheets-Sheet 2.

0. H. WATKINS. BAND CUTTER AND HOLDER FOR GRAIN BINDERS.

No. 459,666. v Patented Sept. 15, 1891;

' (613A! 4% W l cy h j cy W w UNITED STATES PATENT OFFIQEF ORLA H. YVATKINS, OF ELDORA, IOXVA.

BAND CUTTER AND HOLDER FOR GRAIN-BINDE RS.

SPECIFICATION forming part of Letters Patent No. 459,666, dated September 15, 1891. Application filed April 7, 1890- SerialNo. 346,980. (No modeld To all whom it may concern.-

Be it known that I, ORLA I-I. WATKINs, a citizen of the United States, and a resident of Eldora, in the county of Hardin and State of Iowa, have invented a new and useful Twine or Band Cutter and Holder Attachment for the Knotter of a Grain-Binder, ofwhich the following is a specification.

This invention relates to harvesters, and more especially to the band cutters and holders used in the knottiug-machines on grainbinders, and the object of the same is to produce certain improvements in devices of this character.

To this'end the invention consists of the details of construction hereinafter more fully described and claimed, and as illustrated on the two accompanying sheets'of drawings, wherein- Figure 1 is a side elevation of this device complete. Fig. 2 is an enlarged front elevation of the cutting devices with the knife closed. Fig. 3 is a plan view of Fig. 2. Fig. 4 is a perspective detail taken from the rear, showing the needle ascending and the knife as open. Fig. 5 is a similar view showing the needle descending and the knife as closed. Fig. 6 is a plan view of Fig. 5.

Referring to the said drawings, the letter A designates a frame rising from the breastplate A and B is an upright, also rising from this breast-plate, and hence connected with the frame.

A is a disk turning in the direction of the arrow and having upon one face a cam E which at each revolution of the disk engages a roller I) at the upper end of an arm 0, the latter being pivoted at c to the upright B and having a' slot 0' in its lower end.

D is a bell-crank lever pivoted at (Z to the frame A and operating the knotter K, and Gis a gear mounted-on the spindle of said knotter and rotated at each revolution of the disk A by a gear-segment on the other side of this disk. (Not here shown.)

The letter J designates an arm projecting from the spindle of the knotter and carrying the fingers, all as more fully shown and described in an application for patent filed by me on April 7, 1890, and serially numbered 346,981, and hence forming no part of the present invention.

In a recess h in the front of the upright B, near its lower end, slides a bar H, which at one end has a pin h, engaging the slot 0' in the arm or lever C, and projecting rearwardly from the other end of this bar H is an arm K, connected by a coiled spring L, with a projection M at the rear side of the upright B. By this construction, when the cam E strikes the roller D and moves the lever C the bar H is caused to slide in the recess it against the tension of the spring L, and as soon as the cam ll has passed by the roller the spring L returns the bar H to its normal position.

Detachably secured upon the bar H is a block Q, having in its upper face a recess q, and projecting upwardly from this block near its inner end is a transverse plate 0.

N is a finger, pivoted at n to the face of the upright B, and having near its upper end a transverse lip N, adapted to impinge against the plate 0, and this finger is pressed normally inward against astop 0 by a spring 71 The letter J designates a knife secured to the face of the block Q, extending beyond the inner end of the same and normally passing over the front edge of a stationary jaw P, which is secured, as by a screw p, to the base of the upright B, above the recess h therein.

The letter S designates a needle, and R is the band, twine, or wire which is fed through the same and which is adapted to pass around the gavel beneath the breast-plate A In the operation below I make no mention of the manner in which this band is knotted, as this forms no partof the presentinvention.

The parts being in their normal position, as seen in Fig. 2, and the disk A rotating, the cam E strikes the roller D and retracts the block Q to the position seen in Fig. 4, the needle S then ascending and drawing the band B between the stationary jawPand the edge of the knife J, the turn about the gavel having been previously made. The roller D then moving off the cam E the spring L causes the block Q to move inwardly, thereby cansing the knife J to move over the corner of the jaw Pand sever the band, the end R thereof being clamped between the abutting ends of the jaw P and the block Q, as seen in Fig. 5. The needle S next returning, as shown in this figure, of course passes over the recess (1 in the block Q, because the lat-- ter has been moved beneath the needle, and this movement draws the band R around the rear end of the plate 0 and between this plate and the lip N on the finger N.

Upon a repetition of the operation above described the first movement thereof, whereby the block Q is moved outwardly, releases the end R of the band from between this block and the jaw P, but simultaneously clamps it between the abutting faces of the plate 0 and the lip L thus holding the end of the band, but leaving the openingbetwcen the knife and the jaw clear for the passage of the band from the eye of the needle, as seen in Fig. at. The manner in which this band is passed around the rear end of the plate 0 and held between the block Q, and jaw P is also well seen in Fig. 6.

\Vhat is claimed as new is- 1. In a band cutter and holder, the combination, with a jaw, a bar carrying a block opposite the end of the jaw, means for reciproeating said bar, and a knife on the block moving across the corner of the jaw, of a transverse plate on the block near its end, and a spring actuated finger pivotally mounted on a fixed support adjacent the knife and in rear of the plate, by which it is struck when the block is moved from the jaw, substantially as described.

2. In a band cutter and holder, the combination, with a jaw, a bar carrying a block opposite the end of the jaw, means for reciprocating said bar, and a knife on the block moving across the corner of the jaw, of a transverse plate across the block at its end, the block having a recess or depression in rear of said plate, a linger pivotally mounted on a fixed support and having a lip contactingwith the plate when the block is moved from the jaw, and stops limiting the movement of said finger, substantially as described.

In a band cutter and holder, the combination, with a jaw, a bar carrying a block opposite the end of the jaw, means for reciprocating said bar, and a knife on the block moving across the corner of the jaw, of a plate secured upon the block at its end and projecting beyond the face thereof, a finger pivoted to an upright and having a curved free end provided with a lateral lip contacting with the projecting end of the plate when the block is moved from thejaw, and a spring pressing said finger forwardly, substantially as described.

4:. In a band cutter and holder, the combination, with a block having a transverselyprojectiug plate, a knife extending from the end of the block, and means for moving the block at intervals, of a jaw opposite the end of the block and a finger in rear of the plate, the movements of the block alternately throwing the plate and finger and the ends of the jaw and block in contact, but producing acuttiug action only when said ends come to gether, as and for the purpose hereinbefore set forth.

ORLA II. IVATKINS.

Yitnesse CHARLES (J. BULKLEY, MARTIN P. SMITH. 

